Installing the system fan – Dell OptiPlex 990 (Early 2011) User Manual
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8. Lift and remove the system fan from the computer.
9. Pry up the grommets from the system fan and remove it.
Installing The System Fan
1. Insert the four grommets into the system fan.
2. Place the system fan in the chassis.
3. Pass the four grommets through the chassis and slide outward along the
grooves to secure them in place.
4. Connect the fan cable to the system board.
5. Install the
.
6. Install the
7. Install the
8. Install the
.
After Working Inside Your Computer
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